Question: Which sculpture has the highest horizontal depth?
Paraphrase: Which form has the most elevated flat depth?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q860861 . ?ent wdt:P5524 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Construction, Roof, Floor Construction, Bouquet of Tulips, Prinz Friedrich von Homburg, Ein Schauspiel, 3X